![]() Type or paste one of the following commands in Terminal.Open Terminal, which is in the Utilities folder of your Applications folder.Connect the USB flash drive or other volume that you're using for the bootable installer.You will create the bootable installer from this app, not from the disk image or. It will install an app named Install OS X El Capitan into your Applications folder. Inside the disk image is an installer named InstallMacOSX.pkg.Download using Safari and open the disk image on a Mac that is compatible with OS X El Capitan. ![]() The installer for OS X El Capitan will be downloaded to your Downloads folder as a disk image named InstallMacOSX.dmg. Enterprise administrators: download from Apple, not a locally hosted software-update server.Download on a Mac that is using macOS Sierra 10.12.5 or later, or OS X El Capitan 10.11.6.Download on a Mac that is compatible with that version of macOS.If the installer opens after downloading, close it without continuing the installation process. To ensure that you’re getting a valid, un-hacked, and legal version of macOS, you need to download it directly from Apple.The installer for macOS Monterey, macOS Big Sur, macOS Catalina, macOS Mojave or macOS High Sierra will be downloaded to your Applications folder as an app named Install macOS. For macOS Big Sur, macOS Catalina, macOS Mojave or macOS High Sierra, the links download an installer directly into your app folder. The installer has the name “Install macOS ”.įor Mac OS X El Capitan, the link downloads a disk image file named InstallMacOSX.dmg. When the file is downloaded, double-click it to install an app named “Install OS X El Capitan” into your Applications folder. Plug in the USB flash drive or formatted volume you’re using for the bootable install disk.Find the Terminal app in the Utilities folder of your Applications folder.įor this article, I used a 2TB USB hard disk drive erased and formatted as Mac OS Extended and given the name Installer.At the Terminal prompt, type or copy and paste (easier and more accurate) one of the following commands.These commands are dependent on the installer being in your Applications folder. In each command, replace the name MyVolume with the name of your volume. For my example, I replaced it with Installer.īig Sur:* sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume Catalina:* sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume Mojave:* sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume High Sierra:* sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume El Capitan: sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app NOTE (*): If your Mac is using macOS Sierra or earlier, include the “–applicationpath” argument and installer path, as shown in the command for El Capitan. Once the command has been entered, press Return.You’ll be prompted to type your administrator password and press Return again. ![]() Note that for security, Terminal doesn’t display characters as you type your password.
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